diff --git a/DuoUniversal/Client.cs b/DuoUniversal/Client.cs
index a3ba342..cf653ea 100644
--- a/DuoUniversal/Client.cs
+++ b/DuoUniversal/Client.cs
@@ -19,7 +19,7 @@ namespace DuoUniversal
     public class Client
     {
         public const string DUO_UNIVERSAL_CSHARP = "duo_universal_csharp";
-        public const string DUO_UNIVERSAL_CSHARP_VERSION = "1.3.0";
+        public const string DUO_UNIVERSAL_CSHARP_VERSION = "1.3.1";
 
         internal const int CLIENT_ID_LENGTH = 20;
         internal const int CLIENT_SECRET_LENGTH = 40;
diff --git a/DuoUniversal/DuoUniversal.csproj b/DuoUniversal/DuoUniversal.csproj
index 2b4869a..7c196c6 100644
--- a/DuoUniversal/DuoUniversal.csproj
+++ b/DuoUniversal/DuoUniversal.csproj
@@ -6,7 +6,7 @@
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;net471</TargetFrameworks>
     <PackageId>DuoUniversal</PackageId>
-    <Version>1.3.0</Version>
+    <Version>1.3.1</Version>
     <Authors>Duo Security</Authors>
     <Company>Duo Security</Company>
     <Copyright>Cisco Systems, Inc. and/or its affiliates</Copyright>